W.R. Grace & Company (NY: GRA )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 28, 2006	14.47	14.91	14.35	14.53	421,874	-0.03(-0.19%)
Apr 27, 2006	14.40	14.99	14.17	14.56	582,979	+0.19(+1.35%)
Apr 26, 2006	14.61	14.73	14.00	14.36	894,391	-0.41(-2.76%)
Apr 25, 2006	14.98	15.05	14.59	14.77	682,644	-0.21(-1.42%)
Apr 24, 2006	14.77	15.15	14.29	14.98	1,174,489	-0.06(-0.37%)
Apr 21, 2006	14.86	15.27	14.73	15.04	1,651,541	-0.33(-2.17%)
Apr 20, 2006	14.86	15.60	14.86	15.37	3,435,465	+0.40(+2.66%)
Apr 19, 2006	12.97	15.03	12.93	14.98	3,471,098	+1.82(+13.79%)
Apr 18, 2006	12.82	13.23	12.69	13.16	997,727	+0.43(+3.35%)
Apr 17, 2006	12.63	13.06	12.57	12.73	1,625,086	+0.09(+0.73%)
Apr 13, 2006	12.84	12.83	12.50	12.64	1,187,878	-0.19(-1.52%)
Apr 12, 2006	12.60	12.87	12.51	12.84	421,442	+0.30(+2.36%)
Apr 11, 2006	13.12	13.13	12.52	12.54	720,976	-0.51(-3.90%)
Apr 10, 2006	12.85	13.15	12.79	13.05	664,071	+0.19(+1.51%)
Apr 07, 2006	13.10	13.23	12.76	12.85	1,322,852	-0.35(-2.67%)
Apr 06, 2006	13.07	13.24	12.87	13.21	984,014	+0.17(+1.28%)
Apr 05, 2006	12.97	13.09	12.83	13.04	1,685,446	+0.09(+0.72%)
Apr 04, 2006	12.95	13.10	12.67	12.95	1,037,787	-0.01(-0.07%)
Apr 03, 2006	12.30	13.10	12.30	12.96	1,969,108	+0.64(+5.19%)
Mar 31, 2006	12.43	12.48	11.99	12.32	1,392,607	-0.36(-2.85%)
Mar 30, 2006	12.87	12.93	12.40	12.68	537,628	-0.15(-1.15%)
Mar 29, 2006	12.49	12.91	12.39	12.83	1,585,674	+0.32(+2.59%)
Mar 28, 2006	12.23	12.60	12.18	12.50	1,116,072	+0.28(+2.27%)
Mar 27, 2006	11.95	12.26	11.92	12.22	806,604	+0.23(+1.93%)
Mar 24, 2006	11.95	12.22	11.83	11.99	642,692	-0.04(-0.31%)
Mar 23, 2006	12.04	12.27	11.95	12.03	596,800	-0.02(-0.15%)
Mar 22, 2006	11.88	12.20	11.81	12.05	983,258	+0.17(+1.40%)
Mar 21, 2006	11.82	12.10	11.59	11.88	1,056,900	+0.06(+0.47%)
Mar 20, 2006	11.77	12.31	11.71	11.83	1,689,550	+0.01(+0.08%)
Mar 17, 2006	11.50	12.01	11.45	11.82	2,772,365	+0.37(+3.24%)
Mar 16, 2006	11.12	11.58	11.12	11.45	2,461,925	+0.33(+3.00%)
Mar 15, 2006	10.09	11.13	10.09	11.11	2,316,909	+1.03(+10.19%)
Mar 14, 2006	9.752	10.22	9.613	10.09	1,493,675	+0.35(+3.62%)
Mar 13, 2006	9.706	9.946	9.696	9.733	687,071	+0.03(+0.29%)
Mar 10, 2006	9.474	9.715	9.261	9.706	528,773	+0.24(+2.54%)
Mar 09, 2006	9.585	9.724	9.428	9.465	895,147	-0.24(-2.48%)
Mar 08, 2006	9.826	9.826	9.557	9.706	917,283	-0.11(-1.13%)
Mar 07, 2006	9.539	9.909	9.539	9.817	1,203,643	+0.27(+2.81%)
Mar 06, 2006	9.641	9.761	9.539	9.548	678,649	-0.17(-1.72%)
Mar 03, 2006	9.631	9.789	9.493	9.715	701,648	+0.08(+0.87%)
Mar 02, 2006	9.715	9.965	9.446	9.631	1,404,269	+0.17(+1.76%)
Mar 01, 2006	9.335	9.715	9.335	9.465	966,197	+0.06(+0.69%)
Feb 28, 2006	9.381	9.641	9.196	9.400	1,737,276	+0.02(+0.20%)
Feb 27, 2006	9.289	9.456	9.205	9.381	951,188	+0.09(+1.00%)
Feb 24, 2006	9.168	9.326	9.159	9.289	849,364	+0.03(+0.30%)
Feb 23, 2006	8.566	9.631	8.529	9.261	2,415,709	+0.69(+8.11%)
Feb 22, 2006	8.585	8.594	8.474	8.566	734,366	-0.03(-0.32%)
Feb 21, 2006	8.409	8.631	8.391	8.594	971,488	+0.12(+1.42%)
Feb 17, 2006	8.335	8.770	8.057	8.474	863,833	-0.25(-2.87%)
Feb 16, 2006	8.539	8.770	8.520	8.724	1,217,897	+0.23(+2.73%)
Feb 15, 2006	8.335	8.817	8.029	8.492	8,014,537	-0.71(-7.75%)
Feb 14, 2006	9.733	10.03	8.900	9.205	3,553,594	-0.53(-5.42%)
Feb 13, 2006	9.780	10.15	9.687	9.733	1,289,271	-0.05(-0.47%)
Feb 10, 2006	9.724	9.937	9.465	9.780	1,812,214	-0.01(-0.09%)
Feb 09, 2006	10.21	10.59	9.789	9.789	2,450,587	-0.42(-4.08%)
Feb 08, 2006	11.19	11.42	10.05	10.21	3,804,861	-0.61(-5.65%)
Feb 07, 2006	11.75	11.75	10.28	10.82	4,798,918	-1.01(-8.54%)
Feb 06, 2006	12.50	12.92	11.78	11.83	2,177,723	-0.68(-5.41%)
Feb 03, 2006	11.58	12.60	11.58	12.50	2,253,309	+0.90(+7.74%)
Feb 02, 2006	11.85	11.85	11.40	11.60	1,284,088	-0.16(-1.34%)